{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Message+Tone",
    "query": {
      "intervention": "Message Tone"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-11T18:04:29.361Z",
  "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.",
  "notes": [
    "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.",
    "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.",
    "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees."
  ],
  "trials": [
    {
      "nct_id": "NCT05282225",
      "title": "Adaptive Intervention for Adolescents Following Inpatient Psychiatric Care",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Suicide",
        "Suicide, Attempted",
        "Suicidal Ideation",
        "Self Harm"
      ],
      "interventions": [
        {
          "name": "MI- Safety Plan",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Texts messages",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Monitoring",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Portal follow-up",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Booster call",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "13 Years to 17 Years"
      },
      "enrollment_count": 300,
      "start_date": "2022-11-07",
      "completion_date": "2026-04-06",
      "has_results": false,
      "last_update_posted_date": "2026-07-16",
      "last_synced_at": "2026-09-11T18:04:29.361Z",
      "location_count": 3,
      "location_summary": "Ann Arbor, Michigan • Detroit, Michigan • Cincinnati, Ohio",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05282225"
    },
    {
      "nct_id": "NCT03750838",
      "title": "Alcohol Intervention for First Year College Students",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Underage Alcohol Use"
      ],
      "interventions": [
        {
          "name": "Text Messaging Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of North Texas Health Science Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "19 Years",
        "sex": "ALL",
        "summary": "18 Years to 19 Years"
      },
      "enrollment_count": 99,
      "start_date": "2021-06-01",
      "completion_date": "2023-08-01",
      "has_results": true,
      "last_update_posted_date": "2024-01-19",
      "last_synced_at": "2026-09-11T18:04:29.361Z",
      "location_count": 1,
      "location_summary": "Fort Worth, Texas",
      "locations": [
        {
          "city": "Fort Worth",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03750838"
    },
    {
      "nct_id": "NCT03838198",
      "title": "An Adaptive Intervention for Adolescents at Risk for Suicide: A Pilot SMART",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Suicide",
        "Self Harm"
      ],
      "interventions": [
        {
          "name": "MI-Enhanced Safety Plan at Hospitalization (1st Component)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "MI-Enhanced Text Boosters (2nd Component)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "MI-Enhanced Booster Call (3rd Component)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "13 Years to 17 Years"
      },
      "enrollment_count": 82,
      "start_date": "2019-03-14",
      "completion_date": "2020-04-07",
      "has_results": true,
      "last_update_posted_date": "2021-05-28",
      "last_synced_at": "2026-09-11T18:04:29.361Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03838198"
    },
    {
      "nct_id": "NCT01169155",
      "title": "Critical Smoke Alarm Characteristics to Awaken Children From Stage 4 Sleep",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoke Inhalation Injury",
        "Burns"
      ],
      "interventions": [
        {
          "name": "Smoke Alarm Stimuli",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Nationwide Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "84 Years",
        "sex": "ALL",
        "summary": "5 Years to 84 Years"
      },
      "enrollment_count": 834,
      "start_date": "2010-08-06",
      "completion_date": "2018-09-21",
      "has_results": false,
      "last_update_posted_date": "2019-11-05",
      "last_synced_at": "2026-09-11T18:04:29.361Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01169155"
    },
    {
      "nct_id": "NCT04978129",
      "title": "Enhancing Quality in Protective Strategies",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Health Risk Behaviors",
        "Risk Reduction Behavior"
      ],
      "interventions": [
        {
          "name": "Online and Text Messaging Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of North Texas Health Science Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "24 Years",
        "sex": "ALL",
        "summary": "18 Years to 24 Years"
      },
      "enrollment_count": 162,
      "start_date": "2023-08-15",
      "completion_date": "2025-04-01",
      "has_results": true,
      "last_update_posted_date": "2025-12-03",
      "last_synced_at": "2026-09-11T18:04:29.361Z",
      "location_count": 1,
      "location_summary": "Fort Worth, Texas",
      "locations": [
        {
          "city": "Fort Worth",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04978129"
    },
    {
      "nct_id": "NCT02990377",
      "title": "Reducing Non-Medical Opioid Use: An Automatically Adaptive mHealth Intervention",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Non-Medical Opioid Use"
      ],
      "interventions": [
        {
          "name": "RL-supported IVR intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 459,
      "start_date": "2018-11-06",
      "completion_date": "2021-12-31",
      "has_results": false,
      "last_update_posted_date": "2022-01-31",
      "last_synced_at": "2026-09-11T18:04:29.361Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02990377"
    },
    {
      "nct_id": "NCT04347759",
      "title": "Symptom Care at Home-Heart Failure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure",
        "Symptoms and Signs"
      ],
      "interventions": [
        {
          "name": "Coaching Messages",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Automated Daily Monitoring",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2023-02-12",
      "completion_date": "2026-04-30",
      "has_results": false,
      "last_update_posted_date": "2026-06-05",
      "last_synced_at": "2026-09-11T18:04:29.361Z",
      "location_count": 4,
      "location_summary": "Atlanta, Georgia • Salt Lake City, Utah",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04347759"
    },
    {
      "nct_id": "NCT02276664",
      "title": "Capitalizing on a Teachable Moment to Promote Smoking Cessation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Self-Help (SHI)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Usual Care (UC)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "H. Lee Moffitt Cancer Center and Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 35,
      "start_date": "2014-10-20",
      "completion_date": "2019-06-21",
      "has_results": false,
      "last_update_posted_date": "2020-08-13",
      "last_synced_at": "2026-09-11T18:04:29.361Z",
      "location_count": 1,
      "location_summary": "Tampa, Florida",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02276664"
    },
    {
      "nct_id": "NCT00992264",
      "title": "'Questions About Quitting' Smoking Cessation Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking"
      ],
      "interventions": [
        {
          "name": "Message Tone",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Navigation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Proactive Outreach",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Testimonials",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Kaiser Permanente",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1865,
      "start_date": "2010-05",
      "completion_date": "2013-11",
      "has_results": true,
      "last_update_posted_date": "2017-10-13",
      "last_synced_at": "2026-09-11T18:04:29.361Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00992264"
    },
    {
      "nct_id": "NCT07290335",
      "title": "Optimizing Strategies to Maximize Patient Recruitment Yield",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Recruitment"
      ],
      "interventions": [
        {
          "name": "Baseline (control) message",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Positively-valenced message",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Payment-inclusive message",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Positively-valenced, payment-inclusive message",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100000,
      "start_date": "2026-02-19",
      "completion_date": "2027-04",
      "has_results": false,
      "last_update_posted_date": "2026-02-25",
      "last_synced_at": "2026-09-11T18:04:29.361Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07290335"
    }
  ]
}